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Finding the Fourth Proportional to 281,344.97, 388,260.87 and 173,912.24

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Solution

The fourth proportional to 281,344.97, 388,260.87 and 173,912.24 is: 240,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,344.97 : 388,260.87 = 173,912.24 : x
  2. Step 2: Convert to fraction form
    281,344.97/388,260.87 = 173,912.24/x
  3. Step 3: Cross multiply
    281,344.97x = 388,260.87 × 173,912.24
  4. Step 4: Simplify right side
    281,344.97x = 67,523,317,606.05
  5. Step 5: Solve for x
    x = 67,523,317,606.05/281,344.97
  6. Step 6: Final answer
    x = 240,001.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.